using System;

public class Program

{

    public static void Main()

    {

        int[] X = new int[10] {11,22,33,44,55,66,77,88,99,111};

        for(int i=0;i<X.Length;i=i+2)

        {

        Console.WriteLine(X[i+1]);

        Console.WriteLine(X[i]);    

        }

        Console.ReadLine();

    }

}